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33 Cards in this Set
- Front
- Back
The axon terminals of all preganglionic neurons release the chemical __________, which transmits impulses across autonomic synapses.
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acetylcholine
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The axon terminals of _______________ neurons release acetylcholine into their neuroeffector junctions.
A. postganglionic parasympathetic B. postganglionic sympathetic |
postganglionic parasympathetic
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The only axon terminals that release norepinephrine are ____________________.
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sympathetic postganglionic neurons
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As you might deduce, axons whose terminals release ____________ are called cholinergic fibers.
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acetylcholine (ACh)
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Adrenergic fibers, on the other hand, are axons that release chiefly _____________.
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norepinephrine
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All preganglionic fibers and all parasympathetic postganglionic fibers are classified as _______________ fibers.
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cholinergic
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Postganglionic sympathetic fibers are the only fibers known definitely to be _____________.
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adrenergic
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The chemical transmitter presumably released only by postganglionic sympathetic fibers is ________________.
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norepinephrine
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Cholinergic and adrenergic responses by the same effector are ____________.
A. Antagonistic B.Synergistic |
antagonistic
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Which of the following could be correctly described as a parasympathetic response:
A. An increase in the pulse rate B. Diarrhea (resulting from increased peristalsis) C. High blood pressure |
B. Diarrhea (resulting from increased peristalsis)
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The general function of the ____________ nervous system is to regulate the responses of visceral effectors in ways that tend to enable the body to expend maximal energy.
A. parasympathetic B. sympathetic |
B. sympathetic
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A drug that inhibits the parasympathetic system ___________ make your mouth feel dry.
A. would B. would not |
A. would
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A drug that inhibits the parasympathetic system ___________ constrict your pupils.
A. would B. would not |
B. would not
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A drug that inhibits the parasympathetic system ___________ make your heart beat faster.
A. would B. would not |
A. would
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A drug that inhibits the parasympathetic system ___________ tend to make you constipated.
A. would B. would not |
A. would
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The parasympathetic division of the ANS has one type of ganglia:
A. What is the name of the parasympathetic ganglion? B. Where is it located? |
A. Terminal ganglia
B. Effector |
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The sympathetic division of the ANS has two types of ganglia:
A. Where are the sympathetic chain (vertebral) ganglia located? B. Where are the collateral (pre-vertebral) ganglia located? |
A. Sides of vertebral column
B. Anterior to the vertebral columns |
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If a surgeon severs the “white ramus communicans” during surgery the ____________ ___________ neurons have been cut.
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preganglionic sympathetic
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If a surgeon severs the “gray ramus communicans” during surgery the ____________ ___________ neurons have been cut.
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postganglionic sympathetic
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The ____________________ division of the ANS is also known as thoracolumbar.
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sympathetic
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The _____________________ division of the ANS is also known as craniosacral.
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parasymapathetic
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What cranial nerves contribute to the parasympathetic division of the ANS?
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oculomotor (III)
facial (VII) glossopharyngeal (IX) vagus (X) |
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What cranial nerves contribute to the sympathetic division of the ANS?
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oculomotor (III)
facial (VII) glossopharyngeal (IX) vagus (X) |
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What spinal nerves contribute to the parasympathetic division of the ANS?
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S2-S4
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What spinal nerves contribute to the sympathetic division of the ANS?
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T1-L2
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Which division of the ANS has a general effect on the entire body at one time?
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Sympathetic division
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The _________________ division of the ANS is responsible for the rest and repose (maintenance) response of the body.
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parasympathetic division
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The ________________ division of the ANS is responsible for the fight or flight (maximal energy expenditure) response of the body.
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sympathetic division
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Which division will have relatively LONG pre-ganglionic neurons?
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parasympathetic division
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Which division will have relatively SHORT pre-ganglionic neuron?
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sympathetic division
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Which division will have relatively long post-ganglionic neurons?
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sympathetic division
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Which division will have relatively short post-ganglionic neurons?
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parasympathetic division
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The major control center for both the sympathetic and parasympathetic divisions of the ANS is the ______________ of the brain.
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hypothalamus
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